Welcome to Dequest Water Management Additives

The Dequest Business is offering unique specialty additives to meet the needs of these industries that deal with water management or deal with processes or applications where water plays a crucial role.

More than 50 years ago, Dequest pioneered the development of phosphonate based antiscalants. Dequest® phosphonates have been the product of choice for antiscalants, dispersants, corrosion inhibitors, chelants in various applications for many years.

Browse Applications

Dequest® Phosphonates are used in wide variety of applications / industrial processes such as household and Industrial & Institutional cleaners, personal care, Industrial water treatment, desalination, pulp & paper, textile and Oil & Gas recovery. For additional information about how Dequest® Phosphonates can solve your water management challenges click on an application in the carousel.